See Figure 1
See Figure 2
You'll need a tachometer that works with diesel engines.
- Make sure that the throttle cable deflection, at the pump, is 1.0mm-3.0mm. Adjust it with the adjusting nut, if it is not.
- Loosen the locknut on the idle speed adjusting bolt. Turn the bolt to the right to increase the idle; to the left to decrease it.
- Race the engine two or three times and let it return to idle. Check the idle speed and readjust if necessary. Idle speed should be 700 rpm.